198201701 has 2 divisors, whose sum is σ = 198201702. Its totient is φ = 198201700.

The previous prime is 198201677. The next prime is 198201713. The reversal of 198201701 is 107102891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182952676 + 15249025 = 13526^2 + 3905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198201701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198201721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99100850 + 99100851.

It is an arithmetic number, because the mean of its divisors is an integer number (99100851).

Almost surely, 2^198201701 is an apocalyptic number.

It is an amenable number.

198201701 is a deficient number, since it is larger than the sum of its proper divisors (1).

198201701 is an equidigital number, since it uses as much as digits as its factorization.

198201701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 198201701 is about 14078.4125880726. The cubic root of 198201701 is about 583.0455152286.

The spelling of 198201701 in words is "one hundred ninety-eight million, two hundred one thousand, seven hundred one".